rhubarb

rhubarb is a   Noun

Definition:

[1] The name of several large perennial herbs of the genus Rheum and order Polygonaceæ.

[2] The large and fleshy leafstalks of Rheum Rhaponticum and other species of the same genus. They are pleasantly acid, and are used in cookery. Called also pieplant.

[3] The root of several species of Rheum, used much as a cathartic medicine. Monk`s rhubarb. (Bot.) See under Monk. -- Turkey rhubarb (Med.), the roots of Rheum Emodi.

Synonyms: